Ratio
Ratio
Ratio:
Ratio are used in comparing two things or values which are similar to each other in terms of units. Ratio is the relationship, or comparison, of one quantity to another. In other words we can say that ratio indicates how many times one quantity is contained in the another. quantity For example, if there are ten boys and seven girls in a group of students, then the ratio of boys and girls is ten to seven. And the ratio of girls to boys is seven to ten. A ratio can be written in three different ways viz, x to y, x: y and x/y
but read as the ratio of x to y.
We can also say that ratio is a fraction that shows how many times one quantity is of the other.
In the ratio x : y, x is the antecedent and y is the consequent.
For example:
1. The ratio of 3 to 7 is 3: 7.
2. Nancy has 40 pencils and Smith has 80 pencils To find out the ratio of Nancy's pencil to Simth's pencil we need to divide the number of pencils of Nancy to Smith.
Therefore, the ratio between Nancy's pencil to Smith's pencil is 1:2
Difference Between Fractions and Ratios
| Fraction | Ratio |
| A fraction describes a part of a whole and its denominator represents the total number of parts. where as Example: 13 means one part out of 3 parts. |
A ratio is a comparison of two different quantities. Example: In a society, 10 people like driving, 20 people like swimming and the total number of people in society is 30. |
There are 25 boys and 25 girls in a class. The ratio of the number of boys to the total students is ___________________ | |||
| Right Option : D | |||
| View Explanation | |||
The height of Apala is 150 cm. The height of Pari is 200 cm. The ratio of the height of Pari to the height of Apala is ____________________ | |||
| Right Option : A | |||
| View Explanation | |||
There are 30 boys and 20 girls in a class. The ratio of the number of girls to the number of boys is _________________ | |||
| Right Option : D | |||
| View Explanation | |||
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